<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
  <title></title>
  <style>
    .f {
      position: relative;
      width: 520px;
      height: 280px;             
      margin: 15px auto;
      background-image: url('./img/tb.jpg');
  
    }

    .f .icon {
      position: absolute;
      top: 50%;
      margin-top: -18px;
      width: 24px;
      height: 36px;
    }
    .f .left  { left: 0; }
    .f .right { right: 0; }
  
    .f .slider {
      position: absolute;
      width: 80px;
      height: 10px;
      top: 90%;              
      left: 50%;
      margin-left: -40px;      
      background-color: rgba(237, 232, 232, 0.5);
      border-radius: 5px;
      display: flex;                   
      justify-content: space-between; 
      align-items: center;             
    }
    .f .slider .dot {
      width: 8px;
      height: 8px;
      background-color: white;
      border-radius: 50%;
      transition: all 0.3s;
    
    }
    .f .slider .dot:hover {
      background-color: orange;
    }
  </style>
</head>
<body>
  <div class="f">
    <img class="icon left"  src="./img/left.png"  >
    <img class="icon right" src="./img/right.png" >
    <div class="slider">
      <div class="dot"></div> 
      <div class="dot"></div>
      <div class="dot"></div>
      <div class="dot"></div>
      <div class="dot"></div>
    </div>
  </div>
</body>
</html>